Preparation and uses of amorphous boron carbide coated substrate

Details Preparation and uses of amorphous boron carbide coated substrate Preparation and uses of amorphous boron carbide coated substrate

1979-12-05

1981-09-01

Gallagher, John J.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

1563063, 1563244, 264134, 264258, 423291, 427249, 4272552, 4272557, 428902, B32B 900

Patent

active

042872596

ABSTRACT:
Cloth is coated at a temperature below about 1000.degree. C. with amorphous boron-carbon deposits in a process which provides a substantially uniform coating on all the filaments making up each yarn fiber bundle of the cloth. The coated cloths can be used in the as-deposited condition for example as wear surfaces where high hardness values are needed; or multiple layers of coated cloths can be hot-pressed to form billets useful for example in fusion reactor wall armor. Also provided is a method of controlling the atom ratio of B:C of boron-carbon deposits onto any of a variety of substrates, including cloths.

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Pfeifer, "Graphite/Aluminum Technology Development", Chapter 6, pp. 159-168 and 212-215 in Hybrid and Select Metal-Matrix Composites: A State of the Art Review, edited by Dr. W. J. Renton, published by American Institute of Aeronautics and Astronautics, (1977).
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